fix #558: stabilize deployment and role rendering

scripts/deploy-backoffice-vm.sh

@@ -174,7 +174,7 @@ if [[ -f "$PID_FILE" ]] && kill -0 "$(cat "$PID_FILE")" >/dev/null 2>&1; then
   exit 0
 fi
 
-nohup java -jar "$APP_DIR/app.jar" > "$LOG_FILE" 2>&1 &
+setsid nohup java -jar "$APP_DIR/app.jar" > "$LOG_FILE" 2>&1 < /dev/null &
 echo $! > "$PID_FILE"
 echo "started pid=$(cat "$PID_FILE") log=$LOG_FILE"
 START